CN107850198A - Gear case assembly and the method for safeguarding gear case assembly - Google Patents

Gear case assembly and the method for safeguarding gear case assembly Download PDF

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Publication number
CN107850198A
CN107850198A CN201680045433.6A CN201680045433A CN107850198A CN 107850198 A CN107850198 A CN 107850198A CN 201680045433 A CN201680045433 A CN 201680045433A CN 107850198 A CN107850198 A CN 107850198A
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CN
China
Prior art keywords
component
speed
gear
box
collar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201680045433.6A
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Chinese (zh)
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CN107850198B (en
Inventor
D·塞伊塞尔
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Romax Technology Ltd
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Romax Technology Ltd
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Filing date
Publication date
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Publication of CN107850198A publication Critical patent/CN107850198A/en
Application granted granted Critical
Publication of CN107850198B publication Critical patent/CN107850198B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/031—Gearboxes; Mounting gearing therein characterised by covers or lids for gearboxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D15/00—Transmission of mechanical power
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/70—Bearing or lubricating arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/46—Systems consisting of a plurality of gear trains each with orbital gears, i.e. systems having three or more central gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/04—Combinations of toothed gearings only
    • F16H37/041—Combinations of toothed gearings only for conveying rotary motion with constant gear ratio
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/048—Type of gearings to be lubricated, cooled or heated
    • F16H57/0482—Gearings with gears having orbital motion
    • F16H57/0486—Gearings with gears having orbital motion with fixed gear ratio
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/08—General details of gearing of gearings with members having orbital motion
    • F16H57/082—Planet carriers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/40—Transmission of power
    • F05B2260/403—Transmission of power through the shape of the drive components
    • F05B2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • F05B2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclic, planetary or differential type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02039—Gearboxes for particular applications
    • F16H2057/02078—Gearboxes for particular applications for wind turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • F16H2057/0235—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly specially adapted to allow easy accessibility and repair
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Abstract

A kind of component (400) of epicyclic gearbox for being horizontally mounted includes：The high-speed component of gear-box；Housing (402) for high-speed component；And it is placed in the output end of housing and the collar (404) extended radially inwardly from the outer surface of housing (402).This arrangement means the lubricant (406) in collar holding gear-box when gear-box is static.Collar includes gap (502), it means that one or more high-speed components pass through the gap in collar.This part for also meaning to deviate the central axis of gear-box is not hindered by collar.High-speed component includes deviateing the high speed shaft (408) and mechanical pump (410) of the central axis of gear-box.Housing includes the lid (410) with one or more holes (510).The hole in collar can be passed through this means one or more high-speed components.High-speed component includes high speed shaft (414), mechanical pump (412) and high speed jackshaft (408).Wherein the above two are relative to the center axis deviation of gear-box, the central axis coaxial of the latter and gearbox.Lid includes being used for the device for being reversibly attached to collar.This means diameter of the diameter of lid less than housing, to be removed from housing.

Description

Gear case assembly and the method for safeguarding gear case assembly
Technical field
The present invention relates to the epicyclic gearbox with speedy carding process.More particularly to a kind of high speed portion for epicyclic gearbox The component of part, wherein epicyclic gearbox have the lid for being conveniently accessible to these parts to be safeguarded.These parts include high speed shaft With high speed intermediate shaft assembly.
Background technology
Wind turbine power drive system generally includes to be supported on the aerodynamic rotor on armature spindle, armature spindle Itself it is supported on one or more bearings, bearing allows to turn around rotor axis simultaneously relative to turbine structure support shaft It is dynamic.Armature spindle is connected to step-up gear, and step-up gear generally includes multiple epicyclic gear stage and/or parallel gears levels.This The output of kind gear-box is further through other axis connection to the generator for producing electric power output.
Fig. 1 is the perspective view of the non-limiting example of wind turbine., should although being illustrated that offshore wind turbines When it is to be noted that following description can also be applied to other kinds of wind turbine.Wind turbine 102 includes being arranged on Rotor blade 104 on hub 100, hub 100 are supported by the nacelle 108 on tower 114.Wind surrounds rotor blade 104 and hub 106 Main shaft rotates.The rotating energy is sent to the electrical power transmission system being contained in nacelle 108.
Fig. 2 shows the schematic cross-section of the non-limiting example of prior art wind turbine gearbox 18.Gear-box 18 Including the first order, the second level and the third level.The first order of gear-box 18 include input shaft 24 (including planet carrier 26), gear ring 28, Multiple planetary gears 30, sun gear 32 and bearing arrangement 34.The second level of gear-box 18 includes gear ring 36, multiple planet teeth Wheel 38, sun gear 40 and planet carrier 42, planet carrier 42 include the fixing point being torsionally connected on wind turbine or The nonrotational support member of ground point, such as nacelle 108.The third level of gear-box 18 or final stage include also referred to as high-speed wheel First output gear 44, the second output gear 48 and the also referred to as output shaft 50 of high speed shaft.The output gear of the third level first 44 are connected to first order sun gear 32 and are driven by first order sun gear 32.
The electrical power transmission system being contained in the nacelle 108 of wind turbine 102 includes being connected to hub 100 by base bearing Main rotor shaft (also referred to as slow-speed shaft).Input shaft 24 is connected to hub 100 and is arranged to and rotated around longitudinal axis 60.Tooth One end of roller box 18 is connected to slow-speed shaft, and output shaft 50 is high speed shaft or is connected to high speed shaft.High speed intermediate module bag Include sun gear 30 and output gear 44.Output shaft 50 provides input to generator.
WO2011/0757737 discloses a kind of arrangement for being used to replacing or safeguarding the high speed shaft in tower/nacelle, wherein One removable sub-module includes the second output gear 48 and output shaft 50.
The maintenance or replacement of high-speed wheel (output gear 44) on tower cause many problems, since it is desired that removing high Fast intermediate module.Fig. 3 shows the design of prior art, and it has diameter and bonnet 310 similar in gear box casing diameter, this So that it is difficult to separate from gear box casing.This also means that lubricant must be arranged from gear-box before bonnet is removed Go out.
A kind of method is that have top cover on gear-box, and top cover can be removed without discharging the lubrication in gear-box Agent.However, high speed shaft and high speed jackshaft can must be removed in high speed idler gear before hanging out.
The content of the invention
The present invention provides a kind of solution for these problems, i.e. by eliminating for discharging institute from gear-box There is the demand of lubricant and allow to remove high speed intermediate shaft assembly from gear-box close to high speed intermediate shaft assembly or from gear-box.
According to an aspect of the present invention, the component for flatly mounted epicyclic gearbox includes：Gear-box High-speed component；Housing for high-speed component；And it is placed in the output end of housing and radially-inwardly prolongs from the outer surface of housing The collar stretched.This arrangement means the lubricant in collar holding gear-box when gear-box is static.
Preferably, collar includes gap, it means that one or more high-speed components pass through the gap in collar.This also anticipates The part that taste the central axis for deviateing gear-box is not hindered by collar.Preferably, high-speed component includes high speed shaft and machinery Pump, high speed shaft and mechanical pump deviate the central axis of gear-box.
Preferably, housing includes the lid with one or more holes.This means one or more high-speed components can be worn The hole crossed in collar.High-speed component includes high speed shaft, mechanical pump and high speed jackshaft.The above two among these are on tooth The center axis deviation of roller box, and the central axis coaxial of the third party and gear-box.Preferably, lid includes being used to reversibly connect It is connected to the device of collar.This means diameter of the diameter of lid less than housing, it is easy to it to be removed from housing.
Preferably, component also includes bear box, and bear box includes the engagement device for one or more guide rods, with And the cogged high speed intermediate shaft assembly of tool, gear include one or more holes, one or more guide rods can pass through described one Individual or multiple holes are used to engage with bear box.This means high speed intermediate shaft assembly can be moved and removed shell along guide rod Body.Preferably, high speed intermediate shaft assembly can be supported before guide rod disengaging by outside elevator.
According on the other hand, the present invention includes a kind of epicyclic gearbox being horizontally mounted for being used to safeguard type disclosed above Component method, this method comprises the following steps：
(a) parts of high speed shaft is removed；
(b) check the liquid level of gear-box in-lubricant and if the liquid level of lubricant exceedes the height of collar, then utilize Mechanical pump discharges enough lubricants so that the liquid level of lubricant is less than the height of collar；
(c) mechanical pump is removed；
(d) guide rod and bear box are engaged；
(e) move high speed intermediate shaft assembly along guide rod and be moved to hull outside；
(f) outside elevator support high speed intermediate shaft assembly is utilized；
(g) guide rod is separated；And
(h) component is dropped in support platform and is used to safeguard.
Brief description of the drawings
Now with reference to Fig. 1-4, present invention is described：
Fig. 1 shows the external view of offshore wind turbines；
Fig. 2 shows the schematic diagram of wind turbine gearbox；
Fig. 3 shows the gear box cover of prior art；
Fig. 4 shows the schematic diagram of the component of the present invention；
Fig. 5 shows the schematic diagram of the method for safeguarding high speed intermediate module；
Fig. 6 shows the view of the component of the present invention；
Fig. 7 shows that explanation safeguards the schematic diagram of the method for the component of the present invention；And
Fig. 8 shows the view of the component of the present invention.
Embodiment
Referring to Figure 4 and 5, the component 400 of the epicyclic gearbox for being horizontally mounted includes：The high-speed component of gear-box；With In the housing 402 of high-speed component；And it is placed in the output end of housing and the axle extended radially inwardly from the outer surface of housing 402 Ring 404.This arrangement means the lubricant 406 in collar holding gear-box when gear-box is static.
Collar includes gap 502, it means that one or more high-speed components pass through the gap in collar.This also means that The part for deviateing the central axis of gear-box is not hindered by collar.High-speed component includes high speed shaft 408 and mechanical pump 410, high Fast axle 408 and mechanical pump 410 deviate the central axis of gear-box.
Housing includes the lid 410 with one or more holes 510.This means one or more high-speed components can pass through Hole in collar.High-speed component includes high speed shaft 414, mechanical pump 412 and high speed jackshaft 408.In these the above two close In the center axis deviation of gear-box, and central axis coaxial of the third party on gear-box.Lid includes being used to reversibly connect It is connected to the device of collar.This means diameter of the diameter of lid less than housing, it can be promoted to be removed from housing.
Component also includes the engagement device for one or more guide rods, and the high speed jackshaft group with gear 420 Part, gear include one or more holes 422, and one or more guide rods 520 can pass through one or more of holes to be used to engage. Referring to Fig. 6, it means that high speed intermediate shaft assembly can be moved and removed housing along guide rod.Preferably, high speed jackshaft Component can be supported before guide rod disengaging by outside elevator 602.
According on the other hand, the present invention includes a kind of epicyclic gearbox being horizontally mounted for being used to safeguard type disclosed above Component method, this method comprises the following steps：
(a) parts of high speed shaft is removed；
(b) check the liquid level of gear-box in-lubricant and if the liquid level of lubricant exceedes the height of collar, then utilize Mechanical pump discharges enough lubricants so that the liquid level of lubricant is less than the height of collar；
(c) mechanical pump is removed；
(d) guide rod and bear box are engaged；
(e) move high speed intermediate shaft assembly along guide rod and be moved to hull outside.
(f) outside elevator support high speed intermediate shaft assembly is utilized；
(g) guide rod is separated；And
(h) component is dropped in support platform and is used to safeguard.
The component of the present invention be applied to when be mounted and it is static when be approximate horizontal plane so as to keep oil by collar Any gear-box.
Present invention additionally comprises the gear-box with above-mentioned disclosed component, and the wind-force whirlpool with such gear-box Turbine.

Claims (19)

1. a kind of include for the component for the epicyclic gearbox being horizontally mounted, the component：
The high-speed component of gear-box；
Housing for high-speed component；And
It is placed in the output end of housing and the collar extended radially inwardly from the outer surface of housing；
Characterized in that, collar keeps the lubricant in gear-box when gear-box is static.
2. component according to claim 1, it is characterised in that collar includes gap.
3. component according to claim 2, it is characterised in that one or more high-speed components pass through the gap in collar.
4. component according to claim 3, it is characterised in that high-speed component includes high speed shaft.
5. according to the component described in claim 3 or claim 4, it is characterised in that high-speed component includes mechanical pump.
6. the component according to claim 1 or claim 2, it is characterised in that housing includes lid.
7. component according to claim 6, it is characterised in that lid has one or more holes.
8. component according to claim 7, it is characterised in that one or more high-speed components pass through the hole in collar.
9. component according to claim 8, it is characterised in that high-speed component includes high speed shaft.
10. according to the component described in claim 8 or claim 9, it is characterised in that high-speed component includes mechanical pump.
11. the component according to any one of claim 8 to 10, it is characterised in that high-speed component includes high speed jackshaft.
12. the component according to any one of claim 6 to 11, it is characterised in that lid includes being used to be reversibly attached to The device of collar.
13. component according to claim 12, it is characterised in that the diameter of lid is less than the diameter of housing.
14. component according to claim 1, it is characterised in that high-speed component includes bear box, and bear box includes using In the engagement device of one or more guide rods.
15. component according to claim 14, it is characterised in that high-speed component includes having cogged high speed jackshaft group Part, gear include one or more holes, and one or more guide rods can be used for through one or more of holes and bear box Engagement, its high speed intermediate shaft assembly can move and remove housing along guide rod.
16. component according to claim 15, it is characterised in that high speed intermediate shaft assembly can guide rod disengaging before by Outside elevator support.
A kind of 17. gear-box of the component including according to any one of foregoing claim.
A kind of 18. wind turbine for including gear-box according to claim 17.
19. it is a kind of be used to safeguard according to claim 15 or claim 16 for the epicyclic gearbox that is horizontally mounted The method of component, this method comprise the following steps：
(a) parts of high speed shaft is removed；
(b) check the liquid level of gear-box in-lubricant and if the liquid level of lubricant exceedes the height of collar, then utilize machinery Pump discharges enough lubricants so that the liquid level of lubricant is less than the height of collar；
(c) mechanical pump is removed；
(d) guide rod and bear box are engaged；
(e) move high speed intermediate shaft assembly along guide rod and be moved to hull outside；
(f) outside elevator support high speed intermediate shaft assembly is utilized；
(g) guide rod is separated；And
(h) component is dropped in support platform and is used to safeguard.
CN201680045433.6A 2015-08-12 2016-08-10 Gearbox assembly and method for maintaining a gearbox assembly Expired - Fee Related CN107850198B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1514308.4A GB2543249B (en) 2015-08-12 2015-08-12 Gearbox assembly
GB1514308.4 2015-08-12
PCT/IB2016/054813 WO2017025907A1 (en) 2015-08-12 2016-08-10 Gearbox assembly and method for maintaining an gearbox assembly

Publications (2)

Publication Number Publication Date
CN107850198A true CN107850198A (en) 2018-03-27
CN107850198B CN107850198B (en) 2021-06-15

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Application Number Title Priority Date Filing Date
CN201680045433.6A Expired - Fee Related CN107850198B (en) 2015-08-12 2016-08-10 Gearbox assembly and method for maintaining a gearbox assembly
CN201621042886.7U Expired - Fee Related CN206419462U (en) 2015-08-12 2016-08-12 Gear case assembly

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201621042886.7U Expired - Fee Related CN206419462U (en) 2015-08-12 2016-08-12 Gear case assembly

Country Status (5)

Country Link
US (1) US10571011B2 (en)
EP (1) EP3334957B1 (en)
CN (2) CN107850198B (en)
GB (1) GB2543249B (en)
WO (1) WO2017025907A1 (en)

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CN112392926B (en) * 2020-12-08 2022-05-10 徐工集团工程机械股份有限公司 Multi-stage planet carrier, multi-stage planet combination structure and multi-gear planet mechanism

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CN206419462U (en) * 2015-08-12 2017-08-18 诺迈士科技有限公司 Gear case assembly

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EP3334957B1 (en) 2021-01-06
GB201514308D0 (en) 2015-09-23
WO2017025907A1 (en) 2017-02-16
US10571011B2 (en) 2020-02-25
CN206419462U (en) 2017-08-18
GB2543249B (en) 2019-07-31
GB2543249A (en) 2017-04-19
US20190113126A1 (en) 2019-04-18
EP3334957A1 (en) 2018-06-20
CN107850198B (en) 2021-06-15

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